Mouse code for the MacroRat
mbed-dev/targets/TARGET_STM/sleep.c@46:b156ef445742, 2017-06-03 (annotated)
- Committer:
- sahilmgandhi
- Date:
- Sat Jun 03 00:22:44 2017 +0000
- Revision:
- 46:b156ef445742
- Parent:
- 18:6a4db94011d3
Final code for internal battlebot competition.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sahilmgandhi | 18:6a4db94011d3 | 1 | /* mbed Microcontroller Library |
sahilmgandhi | 18:6a4db94011d3 | 2 | ******************************************************************************* |
sahilmgandhi | 18:6a4db94011d3 | 3 | * Copyright (c) 2016, STMicroelectronics |
sahilmgandhi | 18:6a4db94011d3 | 4 | * All rights reserved. |
sahilmgandhi | 18:6a4db94011d3 | 5 | * |
sahilmgandhi | 18:6a4db94011d3 | 6 | * Redistribution and use in source and binary forms, with or without |
sahilmgandhi | 18:6a4db94011d3 | 7 | * modification, are permitted provided that the following conditions are met: |
sahilmgandhi | 18:6a4db94011d3 | 8 | * |
sahilmgandhi | 18:6a4db94011d3 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
sahilmgandhi | 18:6a4db94011d3 | 10 | * this list of conditions and the following disclaimer. |
sahilmgandhi | 18:6a4db94011d3 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
sahilmgandhi | 18:6a4db94011d3 | 12 | * this list of conditions and the following disclaimer in the documentation |
sahilmgandhi | 18:6a4db94011d3 | 13 | * and/or other materials provided with the distribution. |
sahilmgandhi | 18:6a4db94011d3 | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
sahilmgandhi | 18:6a4db94011d3 | 15 | * may be used to endorse or promote products derived from this software |
sahilmgandhi | 18:6a4db94011d3 | 16 | * without specific prior written permission. |
sahilmgandhi | 18:6a4db94011d3 | 17 | * |
sahilmgandhi | 18:6a4db94011d3 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
sahilmgandhi | 18:6a4db94011d3 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
sahilmgandhi | 18:6a4db94011d3 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
sahilmgandhi | 18:6a4db94011d3 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
sahilmgandhi | 18:6a4db94011d3 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
sahilmgandhi | 18:6a4db94011d3 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
sahilmgandhi | 18:6a4db94011d3 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
sahilmgandhi | 18:6a4db94011d3 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
sahilmgandhi | 18:6a4db94011d3 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
sahilmgandhi | 18:6a4db94011d3 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
sahilmgandhi | 18:6a4db94011d3 | 28 | ******************************************************************************* |
sahilmgandhi | 18:6a4db94011d3 | 29 | */ |
sahilmgandhi | 18:6a4db94011d3 | 30 | #if DEVICE_SLEEP |
sahilmgandhi | 18:6a4db94011d3 | 31 | |
sahilmgandhi | 18:6a4db94011d3 | 32 | #include "cmsis.h" |
sahilmgandhi | 18:6a4db94011d3 | 33 | #include "us_ticker_api.h" |
sahilmgandhi | 18:6a4db94011d3 | 34 | #include "sleep_api.h" |
sahilmgandhi | 18:6a4db94011d3 | 35 | #include "rtc_api_hal.h" |
sahilmgandhi | 18:6a4db94011d3 | 36 | #include "hal_tick.h" |
sahilmgandhi | 18:6a4db94011d3 | 37 | |
sahilmgandhi | 18:6a4db94011d3 | 38 | extern void HAL_SuspendTick(void); |
sahilmgandhi | 18:6a4db94011d3 | 39 | extern void HAL_ResumeTick(void); |
sahilmgandhi | 18:6a4db94011d3 | 40 | |
sahilmgandhi | 18:6a4db94011d3 | 41 | void hal_sleep(void) |
sahilmgandhi | 18:6a4db94011d3 | 42 | { |
sahilmgandhi | 18:6a4db94011d3 | 43 | // Stop HAL tick to avoid to exit sleep in 1ms |
sahilmgandhi | 18:6a4db94011d3 | 44 | HAL_SuspendTick(); |
sahilmgandhi | 18:6a4db94011d3 | 45 | // Request to enter SLEEP mode |
sahilmgandhi | 18:6a4db94011d3 | 46 | HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); |
sahilmgandhi | 18:6a4db94011d3 | 47 | |
sahilmgandhi | 18:6a4db94011d3 | 48 | // Restart HAL tick |
sahilmgandhi | 18:6a4db94011d3 | 49 | HAL_ResumeTick(); |
sahilmgandhi | 18:6a4db94011d3 | 50 | } |
sahilmgandhi | 18:6a4db94011d3 | 51 | |
sahilmgandhi | 18:6a4db94011d3 | 52 | void hal_deepsleep(void) |
sahilmgandhi | 18:6a4db94011d3 | 53 | { |
sahilmgandhi | 18:6a4db94011d3 | 54 | // Stop HAL tick |
sahilmgandhi | 18:6a4db94011d3 | 55 | HAL_SuspendTick(); |
sahilmgandhi | 18:6a4db94011d3 | 56 | uint32_t EnterTimeUS = us_ticker_read(); |
sahilmgandhi | 18:6a4db94011d3 | 57 | |
sahilmgandhi | 18:6a4db94011d3 | 58 | // Request to enter STOP mode with regulator in low power mode |
sahilmgandhi | 18:6a4db94011d3 | 59 | #if TARGET_STM32L4 |
sahilmgandhi | 18:6a4db94011d3 | 60 | int pwrClockEnabled = __HAL_RCC_PWR_IS_CLK_ENABLED(); |
sahilmgandhi | 18:6a4db94011d3 | 61 | int lowPowerModeEnabled = PWR->CR1 & PWR_CR1_LPR; |
sahilmgandhi | 18:6a4db94011d3 | 62 | |
sahilmgandhi | 18:6a4db94011d3 | 63 | if (!pwrClockEnabled) { |
sahilmgandhi | 18:6a4db94011d3 | 64 | __HAL_RCC_PWR_CLK_ENABLE(); |
sahilmgandhi | 18:6a4db94011d3 | 65 | } |
sahilmgandhi | 18:6a4db94011d3 | 66 | if (lowPowerModeEnabled) { |
sahilmgandhi | 18:6a4db94011d3 | 67 | HAL_PWREx_DisableLowPowerRunMode(); |
sahilmgandhi | 18:6a4db94011d3 | 68 | } |
sahilmgandhi | 18:6a4db94011d3 | 69 | |
sahilmgandhi | 18:6a4db94011d3 | 70 | HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI); |
sahilmgandhi | 18:6a4db94011d3 | 71 | |
sahilmgandhi | 18:6a4db94011d3 | 72 | if (lowPowerModeEnabled) { |
sahilmgandhi | 18:6a4db94011d3 | 73 | HAL_PWREx_EnableLowPowerRunMode(); |
sahilmgandhi | 18:6a4db94011d3 | 74 | } |
sahilmgandhi | 18:6a4db94011d3 | 75 | if (!pwrClockEnabled) { |
sahilmgandhi | 18:6a4db94011d3 | 76 | __HAL_RCC_PWR_CLK_DISABLE(); |
sahilmgandhi | 18:6a4db94011d3 | 77 | } |
sahilmgandhi | 18:6a4db94011d3 | 78 | #else /* TARGET_STM32L4 */ |
sahilmgandhi | 18:6a4db94011d3 | 79 | HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); |
sahilmgandhi | 18:6a4db94011d3 | 80 | #endif /* TARGET_STM32L4 */ |
sahilmgandhi | 18:6a4db94011d3 | 81 | |
sahilmgandhi | 18:6a4db94011d3 | 82 | // Restart HAL tick |
sahilmgandhi | 18:6a4db94011d3 | 83 | HAL_ResumeTick(); |
sahilmgandhi | 18:6a4db94011d3 | 84 | |
sahilmgandhi | 18:6a4db94011d3 | 85 | // After wake-up from STOP reconfigure the PLL |
sahilmgandhi | 18:6a4db94011d3 | 86 | SetSysClock(); |
sahilmgandhi | 18:6a4db94011d3 | 87 | |
sahilmgandhi | 18:6a4db94011d3 | 88 | TIM_HandleTypeDef TimMasterHandle; |
sahilmgandhi | 18:6a4db94011d3 | 89 | TimMasterHandle.Instance = TIM_MST; |
sahilmgandhi | 18:6a4db94011d3 | 90 | __HAL_TIM_SET_COUNTER(&TimMasterHandle, EnterTimeUS); |
sahilmgandhi | 18:6a4db94011d3 | 91 | |
sahilmgandhi | 18:6a4db94011d3 | 92 | #if DEVICE_LOWPOWERTIMER |
sahilmgandhi | 18:6a4db94011d3 | 93 | rtc_synchronize(); |
sahilmgandhi | 18:6a4db94011d3 | 94 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 95 | } |
sahilmgandhi | 18:6a4db94011d3 | 96 | |
sahilmgandhi | 18:6a4db94011d3 | 97 | #endif |